# CMS4611S

**Cmos** · MOSFETs · SOP-8

CMS4611S from Cmos, in a SOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | S1 | passive | Source of the N-channel MOSFET (60V, 6A rated). |
| 2 | G1 | input | Gate of the N-channel MOSFET, with a maximum gate-source voltage of ±20V. |
| 3 | S2 | passive | Source of the P-channel MOSFET (-60V, -4A rated). |
| 4 | G2 | input | Gate of the P-channel MOSFET, with a maximum gate-source voltage of ±20V. |
| 5 | D2 | passive | Drain of the P-channel MOSFET (-60V max drain-source), shorted to pin 6. |
| 6 | D2 | passive | Drain of the P-channel MOSFET (-60V max drain-source), shorted to pin 5. |
| 7 | D1 | passive | Drain of the N-channel MOSFET (60V max drain-source), shorted to pin 8. |
| 8 | D1 | passive | Drain of the N-channel MOSFET (60V max drain-source), shorted to pin 7. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Cmos |
| Package | SOP-8 |
| Category | Triode/MOS Tube/Transistor |
| Pins | 8 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Drain-Source Voltage (n-channel) | VDS |  |  | 60 | V |  | 1 |
| Drain-Source Voltage (p-channel) | VDS | -60 |  |  | V |  | 1 |
| Gate-Source Voltage (both channels) | VGS | -20 |  | 20 | V |  | 1 |
| Continuous Drain Current (n-channel) | ID |  |  | 6 | A | TA=25℃ | 1 |
| Continuous Drain Current (p-channel) | ID | -4 |  |  | A | TA=25℃ | 1 |
| Pulsed Drain Current (n-channel) | IDM |  |  | 24 | A |  | 1 |
| Pulsed Drain Current (p-channel) | IDM | -12 |  |  | A |  | 1 |
| Total Power Dissipation (both channels) | PD |  |  | 2 | W | TA=25℃ | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 1 |
| Operating Junction Temperature Range | TJ | -55 |  | 150 | ℃ |  | 1 |
| Maximum Junction-to-Ambient (PCB Mount), n-channel | RθJA |  |  | 34 | ℃/W |  | 1 |
| Maximum Junction-to-Ambient (PCB Mount), p-channel | RθJA |  |  | 45 | ℃/W |  | 2 |
| Drain-Source Breakdown Voltage (n-channel) | BVDSS | 60 |  |  | V | VGS=0V , ID=250μA | 2 |
| Static Drain-Source On-Resistance (n-channel) | RDS(ON) |  |  | 50 | mΩ | VGS=10V , ID=3.5A | 2 |
| Static Drain-Source On-Resistance (n-channel) | RDS(ON) |  |  | 60 | mΩ | VGS=4.5V , ID=2A | 2 |
| Gate Threshold Voltage (n-channel) | VGS(th) |  |  | 3 | V | VGS=VDS , ID =250μA | 2 |
| Drain-Source Leakage Current (n-channel) | IDSS |  |  | 1 | uA | VDS=48V , VGS=0V | 2 |
| Gate-Source Leakage Current (n-channel) | IGSS |  |  | 100 | nA | VGS ±20V , VDS=0V | 2 |
| Diode Forward Voltage (n-channel) | VSD |  |  | 1.2 | V | VGS=0V , IS=1A | 2 |
| Drain-Source Breakdown Voltage (p-channel) | BVDSS | -60 |  |  | V | VGS=0V , ID=-250μA | 3 |
| Static Drain-Source On-Resistance (p-channel) | RDS(ON) |  |  | 115 | mΩ | VGS=-10V , ID=-2A | 3 |
| Static Drain-Source On-Resistance (p-channel) | RDS(ON) |  |  | 155 | mΩ | VGS=-4.5V , ID=-2A | 3 |
| Gate Threshold Voltage (p-channel) | VGS(th) | -1.5 |  | -3.5 | V | VGS=VDS , ID =-250μA | 3 |
| Drain-Source Leakage Current (p-channel) | IDSS |  |  | -1 | uA | VDS=-48V , VGS=0V | 3 |
| Gate-Source Leakage Current (p-channel) | IGSS | -100 |  | 100 | nA | VGS ±20V , VDS=0V | 3 |
| Diode Forward Voltage (p-channel) | VSD |  |  | -1.2 | V | VGS=0V , IS=-1A | 3 |

## CAD (KiCad official)

- Symbol: `CMS4611S`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `cms4611s-etched.step` / `cms4611s-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cms4611s.step` / `cms4611s.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [Cmos datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590457286595678208) (3 pp, sha256 `cc204c3e97744250`, retrieved 2026-10-19, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/cms4611s-datasheet.pdf)